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Finding the Fourth Proportional to 70,626.50, 105,939.54 and 44,349.68

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Solution

The fourth proportional to 70,626.50, 105,939.54 and 44,349.68 is: 66,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.50 : 105,939.54 = 44,349.68 : x
  2. Step 2: Convert to fraction form
    70,626.50/105,939.54 = 44,349.68/x
  3. Step 3: Cross multiply
    70,626.50x = 105,939.54 × 44,349.68
  4. Step 4: Simplify right side
    70,626.50x = 4,698,384,698.35
  5. Step 5: Solve for x
    x = 4,698,384,698.35/70,626.50
  6. Step 6: Final answer
    x = 66,524.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.